BB & H Maintenance & Construction offers a range of pipeline and plant construction services for the oil and gas industry. Established in 1969, the company maintains a work force of more than 600 people. Its clients include El Paso Corporation, Shell, Southern Union, Texaco, Williams and Questar. B & H Maintenance & Construction provides various environmental services, such as well installation monitoring, soil shredding, bioremediation, stabilization and solidification. The company offers hydro excavation, padding, plant maintenance and custom ditching services. It is also engaged in the installation of fiber-optic cables. B & H Maintenance & Construction has several locations in New Mexico, Colorado and Texas.